Home / 14,090.88-21,149.44-7,170.56

Finding the Fourth Proportional to 14,090.88, 21,149.44 and 7,170.56

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Solution

The fourth proportional to 14,090.88, 21,149.44 and 7,170.56 is: 10,762.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.88 : 21,149.44 = 7,170.56 : x
  2. Step 2: Convert to fraction form
    14,090.88/21,149.44 = 7,170.56/x
  3. Step 3: Cross multiply
    14,090.88x = 21,149.44 × 7,170.56
  4. Step 4: Simplify right side
    14,090.88x = 151,653,328.49
  5. Step 5: Solve for x
    x = 151,653,328.49/14,090.88
  6. Step 6: Final answer
    x = 10,762.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.